6987408892490 has 32 divisors (see below), whose sum is σ = 14133728762496. Its totient is φ = 2467793908800.

The previous prime is 6987408892489. The next prime is 6987408892531. The reversal of 6987408892490 is 942988047896.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1168460036 + ... + 1168466015.

It is an arithmetic number, because the mean of its divisors is an integer number (441679023828).

Almost surely, 2^{6987408892490} is an apocalyptic number.

6987408892490 is an abundant number, since it is smaller than the sum of its proper divisors (7146319870006).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6987408892490 is a wasteful number, since it uses less digits than its factorization.

6987408892490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2336926094.

The product of its (nonzero) digits is 501645312, while the sum is 74.

The spelling of 6987408892490 in words is "six trillion, nine hundred eighty-seven billion, four hundred eight million, eight hundred ninety-two thousand, four hundred ninety".